erofs: fix up compacted indexes for block size < 4096

[platform/kernel/linux-starfive.git] / fs / stat.c

diff --git a/fs/stat.c b/fs/stat.c
index 6822ac7..5375be5 100644 (file)
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -27,37 +27,6 @@
 #include "mount.h"
 
 /**
- * fill_mg_cmtime - Fill in the mtime and ctime and flag ctime as QUERIED
- * @stat: where to store the resulting values
- * @request_mask: STATX_* values requested
- * @inode: inode from which to grab the c/mtime
- *
- * Given @inode, grab the ctime and mtime out if it and store the result
- * in @stat. When fetching the value, flag it as queried so the next write
- * will use a fine-grained timestamp.
- */
-void fill_mg_cmtime(struct kstat *stat, u32 request_mask, struct inode *inode)
-{
-       atomic_long_t *pnsec = (atomic_long_t *)&inode->__i_ctime.tv_nsec;
-
-       /* If neither time was requested, then don't report them */
-       if (!(request_mask & (STATX_CTIME|STATX_MTIME))) {
-               stat->result_mask &= ~(STATX_CTIME|STATX_MTIME);
-               return;
-       }
-
-       stat->mtime = inode->i_mtime;
-       stat->ctime.tv_sec = inode->__i_ctime.tv_sec;
-       /*
-        * Atomically set the QUERIED flag and fetch the new value with
-        * the flag masked off.
-        */
-       stat->ctime.tv_nsec = atomic_long_fetch_or(I_CTIME_QUERIED, pnsec) &
-                                       ~I_CTIME_QUERIED;
-}
-EXPORT_SYMBOL(fill_mg_cmtime);
-
-/**
  * generic_fillattr - Fill in the basic attributes from the inode struct
  * @idmap:             idmap of the mount the inode was found from
  * @request_mask:      statx request_mask
@@ -89,14 +58,8 @@ void generic_fillattr(struct mnt_idmap *idmap, u32 request_mask,
        stat->rdev = inode->i_rdev;
        stat->size = i_size_read(inode);
        stat->atime = inode->i_atime;
-
-       if (is_mgtime(inode)) {
-               fill_mg_cmtime(stat, request_mask, inode);
-       } else {
-               stat->mtime = inode->i_mtime;
-               stat->ctime = inode_get_ctime(inode);
-       }
-
+       stat->mtime = inode->i_mtime;
+       stat->ctime = inode_get_ctime(inode);
        stat->blksize = i_blocksize(inode);
        stat->blocks = inode->i_blocks;
 
@@ -170,7 +133,8 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat,
        idmap = mnt_idmap(path->mnt);
        if (inode->i_op->getattr)
                return inode->i_op->getattr(idmap, path, stat,
-                                           request_mask, query_flags);
+                                           request_mask,
+                                           query_flags | AT_GETATTR_NOSEC);
 
        generic_fillattr(idmap, request_mask, inode, stat);
        return 0;
@@ -203,6 +167,9 @@ int vfs_getattr(const struct path *path, struct kstat *stat,
 {
        int retval;
 
+       if (WARN_ON_ONCE(query_flags & AT_GETATTR_NOSEC))
+               return -EPERM;
+
        retval = security_inode_getattr(path);
        if (retval)
                return retval;
@@ -419,12 +386,6 @@ SYSCALL_DEFINE2(fstat, unsigned int, fd, struct __old_kernel_stat __user *, stat
 
 #ifdef __ARCH_WANT_NEW_STAT
 
-#if BITS_PER_LONG == 32
-#  define choose_32_64(a,b) a
-#else
-#  define choose_32_64(a,b) b
-#endif
-
 #ifndef INIT_STRUCT_STAT_PADDING
 #  define INIT_STRUCT_STAT_PADDING(st) memset(&st, 0, sizeof(st))
 #endif